package com.gl.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.github.wxpay.sdk.WXPayUtil;
import com.gl.entity.TOrder;
import com.gl.entity.TPayLog;
import com.gl.mapper.TPayLogMapper;
import com.gl.service.TOrderService;
import com.gl.service.TPayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gl.utils.HttpClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author testjava
 * @since 2020-12-14
 */
@Service
public class TPayLogServiceImpl extends ServiceImpl<TPayLogMapper, TPayLog> implements TPayLogService {

    @Autowired
    private TOrderService orderService;

    //根据订单号，生成支付信息，包括二维码地址
    @Override
    public Map<String, Object> createPayInfo(String orderNo) {
        try{
            //根据订单号查询订单信息
            QueryWrapper<TOrder> wrapper = new QueryWrapper<>();
            wrapper.eq("order_no",orderNo);
            TOrder order = orderService.getOne(wrapper);

            //使用设置二维码生成所需要的参数
            Map m = new HashMap();
            m.put("appid","wx74862e0dfcf69954");
            m.put("mch_id","1558950191");
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body",order.getCourseTitle());//课程标题
            m.put("out_trade_no",orderNo);//订单号
            m.put("total_fee",order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
            m.put("spbill_create_ip","127.0.0.1");
            m.put("notify_url","http://guli.shop/api/order/weixinPay/weixinNotify\n");
            m.put("trade_type","NATIVE");

            // 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //设置xml格式的参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            //执行请求发送
            client.post();

            //得到的返回结果是xml格式的数据
            String xml = client.getContent();

            //将xml格式转换map集合，把map集合返回
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

            //最终返回数据的封装
            Map map = new HashMap();
            map.put("out_trade_no",orderNo);//订单号
            map.put("course_id",order.getCourseId());//课程编号
            map.put("total_fee",order.getTotalFee());//价格
            map.put("result_code",resultMap.get("result_code"));//返回二维码操作状态码
            map.put("code_url",resultMap.get("code_url")); //二维码地址

            return map;

        }catch (Exception e){
            throw new RuntimeException("生成二维码失败");
        }


    }

    //查询订单支付状态
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        try{
            //封装参数
            Map m = new HashMap<>();
            m.put("appid","wx74862e0dfcf69954");
            m.put("mch_id","1558950191");
            m.put("out_trade_no",orderNo);
            m.put("nonce_str",WXPayUtil.generateNonceStr());

            //发送httpclient
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

            //得到请求返回内容
            String xml = client.getContent();
            Map<String,String> resultMap = WXPayUtil.xmlToMap(xml);

            //转换成Map再返回
            return resultMap;

        }catch (Exception e){
            return null;
        }


    }

    @Override
    public void updateOrderStatus(Map<String, String> map) {
        //从map获取订单号
        String orderNo = map.get("out_trade_no");
        //根据订单号查询订单信息
        QueryWrapper<TOrder> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no",orderNo);
        TOrder order = orderService.getOne(wrapper);

        //更新订单表订单状态
        if(order.getStatus().intValue()== 1){
            return;
        }
        order.setStatus(1);//1代表已经支付
        orderService.updateById(order);

        //向支付表添加支付记录
        TPayLog payLog = new TPayLog();
        payLog.setOrderNo(orderNo);//订单号
        payLog.setPayTime(new Date());//订单完成时间
        payLog.setPayType(1);//支付类型 1微信
        payLog.setTotalFee(order.getTotalFee());//总金额（分）

        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id"));
        payLog.setAttr(JSONObject.toJSONString(map));
        baseMapper.insert(payLog);


    }
}
